@phdthesis{publication-13017,
	author={Jonscher, Dirk},
	editor={Bauknecht, Kurt and Dittrich, Klaus R.},
	faculty={Faculty of Economics, Business Administration and Information Technology},
	institution={University of Zurich},
	pages=247,
	title={Access Control in Object-Oriented Federated Database Systems},
	year=1998,
}